The Oura Ring Gen 4 in stealth colour, size 9, is a high-quality activity tracker made of titanium. It is designed for both indoor and outdoor use, with a battery life of up to 7 days. This unisex device provides heart rate measurement and features such as Bluetooth connectivity, temperature monitoring, ECG heart rate monitoring, exercise logging, data review, smartphone compatibility, and water resistance. This is a replacment as old on lasted 1-3 days. i received it on 1st August so 1 month old Comes with all original accessories and box. Used in a pet and smoke free house
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